Search Results - "Sommers, Aleah"

Mechanisms for upstream migration of firn aquifer drainage: preliminary observations from Helheim Glacier, Greenland by Mejia, Jessica, Poinar, Kristin, Meyer, Colin R., Sommers, Aleah, Chu, Winnie

Get full text

Subglacial hydrology modeling predicts high winter water pressure and spatially variable transmissivity at Helheim Glacier, Greenland by Sommers, Aleah, Meyer, Colin, Morlighem, Mathieu, Rajaram, Harihar, Poinar, Kristin, Chu, Winnie, Mejia, Jessica

“…Abstract Water pressure beneath glaciers influences ice velocity. Subglacial hydrology models are helpful for gaining insight into basal conditions, but models…”
Get full text

SHMIP The subglacial hydrology model intercomparison Project by DE FLEURIAN, BASILE, WERDER, MAURO A., BEYER, SEBASTIAN, BRINKERHOFF, DOUGLAS J., DELANEY, IAN, DOW, CHRISTINE F., DOWNS, JACOB, GAGLIARDINI, OLIVIER, HOFFMAN, MATTHEW J., HOOKE, ROGER LeB, SEGUINOT, JULIEN, SOMMERS, ALEAH N.

“…Subglacial hydrology plays a key role in many glaciological processes, including ice dynamics via the modulation of basal sliding. Owing to the lack of an…”
Get full text

SHAKTI: Subglacial Hydrology and Kinetic, Transient Interactions v1.0 by Sommers, Aleah, Rajaram, Harihar, Morlighem, Mathieu

“…Subglacial hydrology has a strong influence on glacier and ice sheet dynamics, particularly through the dependence of sliding velocity on subglacial water…”
Get full text

A Comparison of the CMIP6 midHolocene and lig127k Simulations in CESM2 by Otto‐Bliesner, Bette L., Brady, Esther C., Tomas, Robert A., Albani, Samuel, Bartlein, Patrick J., Mahowald, Natalie M., Shafer, Sarah L., Kluzek, Erik, Lawrence, Peter J., Leguy, Gunter, Rothstein, Mathew, Sommers, Aleah N.

“…Results are presented and compared for the Community Earth System Model version 2 (CESM2) simulations of the middle Holocene (MH, 6 ka) and Last Interglacial…”
Get full text

Retreat and Regrowth of the Greenland Ice Sheet During the Last Interglacial as Simulated by the CESM2‐CISM2 Coupled Climate–Ice Sheet Model by Sommers, Aleah N., Otto‐Bliesner, Bette L., Lipscomb, William H., Lofverstrom, Marcus, Shafer, Sarah L., Bartlein, Patrick J., Brady, Esther C., Kluzek, Erik, Leguy, Gunter, Thayer‐Calder, Katherine, Tomas, Robert A.

“…During the Last Interglacial, approximately 129 to 116 ka (thousand years ago), the Arctic summer climate was warmer than the present, and the Greenland Ice…”
Get full text

Inferring Firn Permeability from Pneumatic Testing: A Case Study on the Greenland Ice Sheet by Sommers, Aleah N., Rajaram, Harihar, Weber, Eliezer P., MacFerrin, Michael J., Colgan, William T., Stevens, C. Max

Get full text

Energy Transfer by Turbulent Dissipation in Glacial Conduits by Sommers, A. N., Rajaram, H.

“…Water flow within and beneath glaciers and ice sheets influences ice dynamics and is relevant for practical applications such as modeling outburst floods from…”
Get full text

Considering thermal‐viscous collapse of the Greenland ice sheet by Colgan, William, Sommers, Aleah, Rajaram, Harihar, Abdalati, Waleed, Frahm, Joel

“…We explore potential changes in Greenland ice sheet form and flow associated with increasing ice temperatures and relaxing effective ice viscosities. We define…”
Get full text

Intercomparison of surface meltwater routing models for the Greenland ice sheet and influence on subglacial effective pressures by Yang, Kang, Sommers, Aleah, Andrews, Lauren C., Smith, Laurence C., Lu, Xin, Fettweis, Xavier, Li, Manchun

“…Each summer, large volumes of surface meltwater drain off the Greenland ice sheet (GrIS) surface through moulins to the bed, impacting subglacial hydrology and…”
Get full text

Retreat and Regrowth of the Greenland Ice Sheet During the Last Interglacial as Simulated by the CESM2-CISM2 Coupled Climate–Ice Sheet Model by Sommers, Aleah N., Otto‐Bliesner, Bette L., Lipscomb, William H., Lofverstrom, Marcus, Shafer, Sarah L., Bartlein, Patrick J., Brady, Esther C., Kluzek, Erik, Leguy, Gunter, Thayer‐Calder, Katherine, Tomas, Robert A.

“…Not provided…”
Get full text